Ciężar

Recording by Sliwa.

Recording identifiers

ISRC
CH6541896517
CopyrightID (CopyrightChains transaction hash)
0x4db6bfcc161201f87ed31ef972abaa3fd70c108608199a1b6c9910c084fe97b0
Copyright registration time
2026-07-06T05:31:44+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-06T06:56:49Z
Bitcoin block
956889
Canonical record hash
sha256:36cfb72be130a7cb8fdfa911b0e0cb8539a38ce259fdf8920d8db9e05d480823

What this proof establishes

This recording belongs to ProofProfile's historical evidence base derived from the pre-2022 AcousticBrainz and MusicBrainz corpus. ISRC is the stable recording-level bridge from that source corpus to the authoritative cc-db-prod track record.

CopyrightChains and Bitcoin OpenTimestamps make the exact committed record independently verifiable today. The cryptographic proof does not by itself establish authorship or ownership of the underlying recording.

Read the complete pre-generative-AI provenance and verification method.